Damper Roof Mount
Manufacturer: DAYTON
Jahnda Part Number: 74W70D
EA
Description
17 In.H-W 4.5 In.L Aluminum Backdraft Damper Damper Application Backdraft For Nominal Duct Diameter Not Applicable Frame Material Galvanized Steel Number of Panels 1 Maximum Air Velocity 2000 fpm Overall Height 17 in Rough Opening Diameter 15 1/2 in Rough Opening Shape Square Fits Fan Diameter 12 in For Duct Shape Square Free Area 1.1 sq ft Overall Width 17 in Frame Material Thickness 20 ga Overall Length 4 1/2 in Frame Depth 2 in Rough Opening Length 14 1/2 in
Product Specification
| Characteristic | Value |
|---|---|
| Weight (lb.) | 4.15 lb |
| Items per Unit of Issue | 1 |
| UNSPSC | 40101504 |
| UNSPSC Segment | 40 |
| UNSPSC Family | 4010 |
| UNSPSC Class | 401015 |
| Country of Origin (subject to change) | United States |